1C8L

SYNERGISTIC INHIBITION OF GLYCOGEN PHOSPHORYLASE A BY A POTENTIAL ANTIDIABETIC DRUG AND CAFFEINE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.257
  • R-Value Work: 0.210

Literature

Macromolecules
Sequence Display for 1C8L

Classification: TRANSFERASE

Total Structure Weight: 98311.45

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (GLYCOGEN PHOSPHORYLASE) A 842 Oryctolagus cuniculus EC#: 2.4.1.1 IUBMB
Mutation: S14X
Gene Name(s): PYGM Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
BIN
Query on BIN

A 2,3-DICARBOXY-4-(2-CHLORO-PHENYL)-1-ETHYL- 5-ISOPROPOXYCARBONYL-6-METHYL-PYRIDINIUM
C20 H21 Cl N O6
HMSIYRVIPQHZBI-UHFFFAOYSA-O
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PLP
Query on PLP

A PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate (Synonym)
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CFF
Query on CFF

A CAFFEINE
3,7-DIHYDRO-1,3,7-TRIMETHYL-1H-PURINE-2,6- DIONE (Synonym)
C8 H10 N4 O2
RYYVLZVUVIJVGH-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BIN N/A in BindingDB
IC50: 6.9 nM  BindingMOAD
IC50: 6.9 nM  PDBbind
CFF IC50: 74900 - 144000 nM (97 - 100) BindingDB

IC50: 450000 nM  BindingMOAD

Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
SEP
Query on SEP
A L-PEPTIDE LINKING C3 H8 N O6 P SER

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.257
  • R-Value Work: 0.210
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 126.69 α = 90.00
b = 126.69 β = 90.00
c = 115.30 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-05-16
  • Released Date: 2000-05-31
  • Deposition author(s): Tsitsanou, K.E., Skamnaki, V.T., Oikonomakos, N.G.

Revision History

  • 2008-04-26
    Type: Version format compliance
  • 2011-07-13
    Type: Derived calculations, Version format compliance